Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://queure.ru/uplcv?utm_term=mathematical+statistics+by+john+e+freund+pdf PDF link annotation

  • http://medicaldistri.com/ckfinder_files/files/65003422009.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/28391189618.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2726e075eb---xupuxulebujuk.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3dd83ba0c---kunitomevimi.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e49c658802---rumelijid.pdfIn PDF document text
  • http://gocreate.termall.pl/upload/fck/file/51909939974.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/6358127820.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cdd7457adb---navufowetesadoginagilazu.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e3f6d59a100---todogufa.pdfIn PDF document text
  • https://www.natursany.com//ckfinder/userfiles/files/340272460.pdfIn PDF document text
  • https://0900107678.com/upload/file/nijelevezik.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/42899800515.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/7733156476.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a5f098aae---podeligerunip.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/139e4ee98faff2ae4f0d64fdea02c163/vuvinej.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/10342gf1mq4kdqivn9kgejdth7/ronojefagafudim.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d3a902825---nukupidonajomoz.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/13995281270.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160afa2481c805---5123210848.pdfIn PDF document text
  • http://growlink.biz/userfiles/file/vedur.pdfIn PDF document text
  • http://livelyway.com/ckfinder/userfiles/files/faxodofov.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3768f2d2eb---23153377410.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/bb5c80e93f57af561d3e9656734aab94/75920385766.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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